HP 355 G2 Maintenance And Service Guide

9. Remove the system board (3) by sliding it up and to the right at an angle.
Reverse this procedure to install the system board.
Heat sink
NOTE: The system board spare part kit includes replacement thermal material.
Description Spare part number
For use only on computer models equipped with a graphics subsystem with discrete memory 746658-001
For use only on computer models equipped with a graphics subsystem with UMA memory 746659-001
Before removing the heat sink, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the Battery (see
Battery on page 52), and then remove the following components:
a. Service cover (see
Service cover on page 53)
b. Hard drive (see
Hard drive on page 54)
c. Optical drive (see
Optical drive on page 62)
d. Keyboard (see
Keyboard on page 64)
e. Top cover (see
Top cover on page 67)
Component replacement procedures
87

HP 355 G2 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black, Silver
Country of origin	China
Processor cache	2 MB
Processor cores	4
Processor family	AMD A4
Processor frequency	1.8 GHz
Processor cache type	L2
Processor manufacturer	AMD
Motherboard chipset	-
Memory slots	2x SO-DIMM
Internal memory	4 GB
Memory clock speed	1600 MHz
Internal memory type	DDR3L-SDRAM
Maximum internal memory	- GB
Memory layout (slots x size)	1 x 4 GB
HDD speed	5400 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi DL
Card reader integrated	Yes
Total storage capacity	500 GB
Number of HDDs installed	1
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Discrete graphics card model	AMD Radeon R5 M240
Discrete graphics card memory	2 GB
Discrete graphics memory type	GDDR3
Audio system	DTS Sound+
Number of built-in speakers	2
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.0
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Charging port type	DC-in jack
DisplayPorts quantity	0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Pointing device	Touchpad
Operating system installed	FreeDOS
Battery capacity	41 Wh
Battery life (max)	- h
AC adapter power	65 W

Weight and Dimensions

Depth	384 mm
Width	261 mm
Height	23.1 mm
Weight	2300 g